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Showing results 1 to 11 of 11
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Pulleys
Source Institutions
In this activity, learners build inexpensive pulley assemblies from pulley wheels used for sliding screen door replacement or from clothesline spreaders.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-153.jpg?itok=TVYxfKUz)
Bottle Cars
Source Institutions
In this activity, learners explore motion, energy, and electricity by constructing bottle cars that run on motors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-439.jpg?itok=Vx5i0QRT)
Roving on the Moon
Add to list DetailsIn this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-057.jpg?itok=ILj_IjJ9)
Getting Your Bearings
Source Institutions
In this activity, learners explore the concept of friction and how ball bearings reduce friction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-920.gif?itok=TrufROSt)
Zip Line
Source Institutions
In this design challenge activity, learners build a device to carry a Ping-Pong ball from the top of a zip line to the bottom in four seconds (or less!).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-056.jpg?itok=_xuY15k9)
Give Me a Brake
Source Institutions
In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-327.png?itok=tqZOszCw)
Puff Mobile
Source Institutions
In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.
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Sliding and Stuttering
Source Institutions
Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-041.jpg?itok=ipTwEY0J)
Interactive Gumball Machine
Source Institutions
In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-322.png?itok=Tw0BruBN)
Can Car
Source Institutions
In this physics activity, challenge learners to make a race-car out of a coffee can and rubber band. Demonstrate motion, forces, kinetic and potential energy and friction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-316.png?itok=Twd_QU9T)
Let It Roll
Source Institutions
In this activity, learners will make their own "ball bearing" with two jar lids, marbles, and some household supplies.